| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 304 |
| Headlamp aim out of alignment | 240 |
| Windscreen wiper does not clear the windscreen effectively | 219 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 103 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 93 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 80 |
| Anti-lock braking system warning lamp indicates an ABS fault | 79 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 76 |
| Parking brake: efficiency below requirements |3.7.B.7| | 74 |
| Rear parking brake recording little or no effort | 64 |
| Registration plate issues | 57 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 56 |
| Brake pipe excessively corroded | 54 |
| Parking brake lever has no reserve travel |3.1.6b| | 47 |
| Offside Rear fog lamp not working |1.3.2b| | 46 |
| Brake hose excessively deteriorated | 44 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 42 |
| Offside Stop lamp not working |1.2.1b| | 37 |
| Nearside Stop lamp not working |1.2.1b| | 34 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 33 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 31 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 29 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 28 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 27 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 26 |
| Nearside Rear Stop lamp not working |1.2.1b| | 25 |
| Front brake disc in such a condition that it is seriously weakened | 24 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 23 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 23 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 22 |
| Offside Front Shock absorbers has a serious fluid leak | 22 |
| Windscreen washer not working | 22 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 22 |
| Battery insecure |1.9.1| | 21 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 20 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 18 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 17 |
| Rear fog lamp not working |1.3.2b| | 17 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 16 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 16 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 16 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 15 |
| Nearside Drag link end ball joint has excessive play |2.2.B.1f| | 15 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 15 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 14 |
| Rear brake binding | 13 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 13 |
| Offside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 13 |
| Offside Front Position lamp not working |4.2.1 |a|| | 13 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 13 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 13 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 13 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 12 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 12 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 12 |
| Nearside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 12 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 12 |
| Nearside Front Shock absorbers has a serious fluid leak | 11 |
| Offside Rear Stop lamp not working |1.2.1b| | 11 |
| Offside Front Upper Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 11 |
| Brakes imbalanced across an axle | 11 |
| Offside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 11 |
| Nearside Front Upper Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 11 |
| Electronic stability system warning lamp indicates a fault |3.4.1c| | 11 |
| Rear fog lamp tell tale not working |1.3.1b| | 10 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 10 |
| Offside Drag link end ball joint has excessive play |2.2.B.1f| | 10 |
| Exhaust emits excessive smoke or vapour likely to obscure the vision of other road users (8.2.2.2 (c)) | 10 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 10 |
| Nearside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 9 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 8 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 8 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 8 |
| Nearside Rear Wheel nut|s| missing |4.2.A.1e| | 8 |
| Centre Stop lamp not working |1.2.1b| | 8 |
| Offside Front Shock absorber has negligible damping effect |2.7.5| | 8 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 8 |
| Nearside Rear brake disc contaminated by oil |3.5.1h| | 8 |
| Offside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 8 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 8 |
| Stop lamp not working |1.2.1b| | 8 |
| Offside Rear Wheel nut|s| missing |4.2.A.1e| | 8 |
| Nearside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 8 |
| Nearside Front Track rod end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 8 |
| Exhaust emits excessive smoke or vapour likely to obscure the vision of other road users |8.2.2.2 |c|| | 8 |
| Rear brake disc in such a condition that it is seriously weakened | 8 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 7 |
| Offside Rear Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 7 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 7 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 7 |
| Windscreen has damage | 7 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 7 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 7 |
| Nearside Rear Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 7 |
| Offside Rear Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 7 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 7 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 7 |
| Nearside Front Shock absorber has negligible damping effect |2.7.5| | 7 |
| Nearside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 7 |
| Oil leaking excessively from engine (8.4.1 (a) (i)) | 7 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 7 |
| Nearside Front Drag link end ball joint has excessive play |2.2.B.1f| | 7 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 7 |
| Nearside Front Wheel nut|s| missing |4.2.A.1e| | 7 |
| Exhaust emissions test not completed because smoke levels are significantly in excess of the specified limit values (8.2.2.2 (f)) | 7 |
| Nearside Front Upper Track rod end ball joint has excessive play |2.2.B.1f| | 7 |
| Fuel system component leaking |7.2.3| | 7 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 6 |
| Windscreen wiper blade insecure | 6 |
| Nearside Front Upper Drag link end ball joint has excessive play |2.2.B.1f| | 6 |
| Nearside Front Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 6 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 6 |
| Nearside Front All position lamps not working |1.1.A.3b| | 6 |
| Exhaust emissions exceed level of metered smoke for a turbo charged engine (8.2.2.2 (b)) | 6 |
| Nearside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i)) | 6 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 6 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 6 |
| Fuel tank leaking |7.2.3| | 6 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 6 |
| Nearside Rear fog lamp emits a light other than red |1.3.2e| | 6 |
| Service brake juddering severely |3.7.C.2| | 6 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 6 |